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Finding the Fourth Proportional to 352,441.40, 486,369.56 and 191,296.40

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Solution

The fourth proportional to 352,441.40, 486,369.56 and 191,296.40 is: 263,989.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,441.40 : 486,369.56 = 191,296.40 : x
  2. Step 2: Convert to fraction form
    352,441.40/486,369.56 = 191,296.40/x
  3. Step 3: Cross multiply
    352,441.40x = 486,369.56 × 191,296.40
  4. Step 4: Simplify right side
    352,441.40x = 93,040,742,509.25
  5. Step 5: Solve for x
    x = 93,040,742,509.25/352,441.40
  6. Step 6: Final answer
    x = 263,989.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.